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User Manual SRAL XD (plug-in IDU) Low Capacity Digital Radio - 7...38 GHz 911-380/02C0000 Issue 13, January 2008...
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This documentation and the product it describes are considered protected by copyrights and other intellectual property rights according to the applicable laws. The wave logo is a trademark of Nokia Siemens Networks Oy. Nokia is a registered trademark of Nokia Corporation. Siemens is a registered trademark of Siemens AG.
STATUS OF MANUAL STATUS OF MANUAL – Current: Issue 13, January 2008 – Previous: Issue 13, October 2007 In Issue 13, January 2008, as to the previous issue: – the 38 GHz HD/HP ODU composition tables have been updated. SRAL XD (plug-in IDU) - UMN 911-380/02C0000 - Issue 13, January 2008...
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STATUS OF MANUAL SRAL XD (plug-in IDU) - UMN 911-380/02C0000 - Issue 13, January 2008...
LIST OF ILLUSTRATIONS LIST OF ILLUSTRATIONS Fig. 2.1 System architecture ............. 2.3 Fig.
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LIST OF ILLUSTRATIONS Fig. 2.50 Mask of the RF signal for 7, 8, 13, 15, 18, 23, 26, 28, 32 and 38 GHz ODU (ND mode) according to the traffic capacity ........... 2.57 Fig.
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LIST OF ILLUSTRATIONS Fig. 3.21 ODU Normal Density (ND) and High Density enhanced (HDe) dimensions....3.33 Fig. 3.22 ODU High Density (HD) dimensions..........3.34 Fig.
1 - PRELIMINARY INFORMATION PRELIMINARY INFORMATION 1.1 FOREWORD 1.1.1 Object of the present manual This User Manual (UMN) gives the information necessary for the installation, the commissioning and the ordinary maintenance of the SRAL XD in the RF band 7, 8, 13, 15, 18, 23, 26, 28 and 38 GHz.
1 - PRELIMINARY INFORMATION In addition to the present User Manual (UMN) the OPERATOR MANUAL (OMN) is available, that contains the operational guide for use of the control software developped for the management, by local terminal, of the alarms and the presetting relevant to the equipment, in addition to the restitution of the analogue measurements, of the indications and configuration displayings of the radio system.
1 - PRELIMINARY INFORMATION 1.2.1.2 Waste equipment management The radio equipment at the end of its life can be classified as “16 02 14 equipment out of use different from the equipment listed in 16 02 09 to 16 02 13” according to the dangerous waste list determined in article 1 para.
1 - PRELIMINARY INFORMATION 1.2.1.3 External operations Some other operations involving danger conditions are the ones executed outside during the equipment installation and starting up phase. During the execution of such operations, it is necessary to follow strictly the safety rules listed here below: –...
1 - PRELIMINARY INFORMATION 1.2.2 ESDS precautions The ESDS (Electro Static Discharge Sensitive) electronic devices can be partially or permanently damaged by the static electricity that is commonly present in the operating environment. The main ESDS devices are: – CMOS components –...
1 - PRELIMINARY INFORMATION 1.3 LIST OF ABBREVIATIONS AND ACRONYMS A/D-RPT Add/Drop Repeater Alternating Current Adjacent Channel Interference Automatic Gain Control Alarm ATPC Automatic Transmit Power Control Auxiliary Base Band Bit Error Rate Beginning Of Life Basic Station Center Basic Terminal Station Co-Channel Interference Channel Command...
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1 - PRELIMINARY INFORMATION HDB3 High Density Bipolar 3 HDLC High Data Link Control Hitless High Performance Hardware Input/Output Integrated Circuit Identifier Indoor Unit Intermediate Frequency Input Indicative Internal ITMN Installation Test Manual Local Area Network Local Craft Terminal Large Scale Integration Memorization Modulator Mobile Service switching Center...
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1 - PRELIMINARY INFORMATION Reception Sensitivity/Interference SLIC Subscriber Line Circuit SRAL Siemens Radio Access low capacity Software Trellis Code Modulation TCP/IP Transmission Control Protocol/Internet Protocol Telecommunications Management Network TRIB Tributary Service telephone Transmission Ultra High Frequency Urgent Voltage Controlled Oscillator SRAL XD (plug-in IDU) - UMN 911-380/02C0000 - Issue 13, January 2008...
Nokia Siemens Networks, used to be one of the frontrunners in this market segment, is ready to match the expectations of this new telecommunication era characterized by broadband and mobility convergence.
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Station footprint is among the most troublesome matter for network planners, SRAL XD minimise the impact of transmission on this matter following two different paths: integrating the indoor card BTSs/ NodeBs for operators using Nokia Siemens Networks integrated solution and adopting a standard slim indoor unit for any terminal configurations (44 mm) for any other applications.
2 - PLANNING C) SYSTEM ARCHITECTURE The Split Configuration has been kept, even though both the IDU and the ODU have been redesigned in order to reduce their mechanical dimensions. In order to save room for the indoor installation, the dimensions of the IDU have been dramatically reduced, moving the mo/demodulation section to the ODU.
2 - PLANNING D) INDOOR UNITS Three types of IDU are available: – Plug-in IDU – Single board IDU – Outdoor Access Unit (OAU) – Plug-in IDU Fig. 2.2 Plug-in IDU The 1U High Plug-In Version adopts a modular architecture: The basic configuration (1+0) consist of a controller, an access card and a base-band card;...
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2 - PLANNING – Outdoor Access Unit (OAU) Fig. 2.4 Outdoor Access Unit (OAU) The OAU has been developped to be installed outside on the pole or inside on the wall. Three OAU versions are available: – DC OAU (1+0) up to 8xE1 (Battery power supply) –...
2 - PLANNING E) OUTDOOR UNITS State of art RF technology has been the baseline for SRAL XD ODUs development completely matching all the technical constraints introduced by the high modulation scheme adopted for the HD version: system linearity and synthesizer phase noise. Four different outdoor units are part of SRAL XD suit: –...
2 - PLANNING – High Density/High Performance ODU: Supports both normal and high density modulation schemes (4 QAM, 16 TCM Modulation Format) assuring a SW selectable adaptation of SRAL XD terminals to the available bandwidth. Fig. 2.7 High Density/High Performance ODU –...
DCN implementation as much as possible. SRAL XD, as all the Nokia Siemens Networks microwave product lines, can be managed not only by a wide range Nokia Siemens Networks Management Systems, but also by third party Management Systems.
2 - PLANNING 2.1.1 SRAL XD system described in this User Manual In this User Manual is described the SRAL XD system operating at 7 GHz, 8 GHz, 13 GHz, 15 GHz, 18 GHz, 23 GHz, 26 GHz, 28 GHz and 38 GHz with the plug-in IDU only with the following traffic capacity: –...
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2 - PLANNING – High Density/High Performance (HD/HP) able to perform both High Density arrangements (8/16xE1/1xE3 in 7/14/14 MHz), via 16 TCM modulation format, and Normal Density arrangements (2/4/8/16xE1/1xE3 in 3.5/7/14/28/28 MHz), via 4 QAM modulation format. Normal Density arrangement performed by ODU HD/HP is named High Performance since it provides improved system gain in comparison to ODU ND.
2 - PLANNING 2.1.3 Network topologies Possible topologies of the “SRAL XD” equipment are shown in Fig. 2.14, Fig. 2.15 and Fig. 2.16. Fig. 2.14 STAR topology (protected or unprotected links) = µBTS Fig. 2.15 MULTIDROP topology (add/drop or back-to-back links) Fig.
2 - PLANNING 2.1.4 IDU-ODU Interconnection The interconnection between the IDU (with 16x2 BB unit) and the ODU consists of only one two-way line transporting one composite signal comprising the 51.84 Mbit/s IDU-ODU stream and of the ODU power supply voltage. The interconnection between the IDU (with 32x2 BB unit) and the ODU consists of only one two-way line transporting one composite signal comprising the 155.520 Mbit/s IDU-ODU stream and of the ODU power supply voltage.
2 - PLANNING 2.1.5 Physical interfaces Refer to Fig. 2.17 for the 16xE1 IDU, refer to Fig. 2.18 for the 32xE1 IDU, refer to Fig. 2.19 for the 1xE3 IDU unit and refer to Fig. 2.20 for the ETH IDU. 2.1.5.1 Power supply The IDU makes available, at the outside, a redundant input line for the connection of the...
2 - PLANNING 2.1.5.6 User channel The IDU makes available, at the outside, a 64 kbit/s synchronous data channel (V.11) (on the front panel of the 16xE1/32xE1/ETH or 1xE3 IDUs) for applications defined by the user (example the use of “External EOW”). The SRAL XD system only executes a point-to-point channel carrying and it is absolutely transparent to the channel contents.
2 - PLANNING 2.1.5.8 Monitoring of received RF power on the ODU The ODU has a monitoring point by which it is possible to measure the received radio signal field. Fig. 2.17 IDU physical interfaces (16xE1 IDU) Power supply BUS Signal BUS Control BUS Base-Band...
2 - PLANNING Fig. 2.20 IDU physical interfaces ( ETH IDU) Signal BUS Control BUS Power supply BUS System Base-Band Base-Band TRIButary CONTROLLER no. 2 no. 1 (TRIB) (CONTROL) (BB1) (BB1) Section Section Section Section (Optional) IDU’s Interfaces (*) This interface can be used for “External EOW” connection in 1+0 / 1+1 IDU configurations SRAL XD (plug-in IDU) - UMN 2-22 911-380/02C0000 - Issue 13, January 2008...
2 - PLANNING 2.1.6 Supervision interfaces The following “logical” interfaces are available in order to allow complete networking among different NEs of “SRAL XD” family: – “F” interface The “F” interface is used to allow “SRAL XD” <--> LCT connection, i.e. the connection among the “SRAL XD”...
2 - PLANNING – “D” interface The “D” interface is used to connect two NEs, which belong to disjoined radio networks. An example of “D” interface usage is shown in Fig. 2.21. The “D” interface is internal to the equipment, and is not accessible to the user. The “D”...
2 - PLANNING 2.1.7 Loop-backs The following loop-backs are provided for maintenance purposes. 2.1.7.1 Tributary loop-backs Fig. 2.22 Tributary loop-back – “Local” loop-back (A) The tributary signal can be looped back in the base-band unit at the input interface level. This type of loop-back when activated allows testing the integrity of the circuitry related to line interface access.
2 - PLANNING 2.1.8 Configurations 2.1.8.1 16xE1 IDU The equipment configuration can be: – single terminal 1+0: see Fig. 2.23 – dual terminal 2×(1+0): see Fig. 2.24 – terminal with Hot-standby protection 1+1 H/S: see Fig. 2.25 – terminal with frequency-diversity or polarization-diversity protection (with one or two antennas) 1+1 FD/PD: see Fig.
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2 - PLANNING Fig. 2.23 SRAL XD equipment: single terminal 1+0 configuration USER ALARM CHANNEL INT. (**) Cable CABLE TRIB. TRIB. INT. INT. 16xE1 2 Mbit/s (E1) INT. F CONTROLLER (*) This interface is available with Controller (P/N 634-001/74) only (**) This interface can be used for “External EOW”...
2 - PLANNING Fig. 2.27 SRAL XD equipment: Repeater with tributary Add/Drop (A/D-RPT) configuration (**) (*) This interface is available with Controller (P/N 634-001/74) only (**) This interface can be used for “External EOW” connection SRAL XD (plug-in IDU) - UMN 2-29 911-380/02C0000 - Issue 13, January 2008...
2 - PLANNING 2.1.8.2 32xE1 IDU The equipment configuration can be: – single terminal 1+0: see Fig. 2.28 – terminal with Hot-standby protection 1+1 H/S: see Fig. 2.29 – terminal with frequency-diversity or polarization-diversity protection (with one or two antennas) 1+1 FD/PD: see Fig.
2 - PLANNING 2.1.8.2.2 Support of full cross-connection matrix For all system types (1+0, 2+0, 1+1 Hot Stand-by/FD, A-D/Repeater, Ring) a full cross-connection matrix is supported: each of the 32 E1 lines of the Access (tributary) side can be connected to any of the 32 E1 lines Base Band side. In particular: –...
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2 - PLANNING Fig. 2.29 SRAL XD equipment: single terminal 1+1 H/S configuration (one antenna) USER CHANNEL CH1 Cable CABLE INT. INT. TRIB. ALARM 32xE1 INT. V-BUS INT. USER CHANNEL INT. Q CONTROLLER INT. V TRIB. 2 Mbit/s INT. F Cable CABLE INT.
2 - PLANNING 2.1.8.3 1xE3 IDU The equipment configuration can be: – single terminal 1+0: see Fig. 2.33 – terminal with Hot-standby protection 1+1 H/S: see Fig. 2.34 – terminal with frequency-diversity or polarization-diversity protection (with one or two antennas) 1+1 FD/PD: see Fig.
2 - PLANNING 2.1.8.4 ETH IDU ( 4xLAN + 8xE1) The equipment configuration can be: – single terminal 1+0: see Fig. 2.36 – terminal with Hot-standby protection 1+1 H/S: see Fig. 2.37 – terminal with frequency-diversity or polarization-diversity protection (with one or two antennas) 1+1 FD/PD: see Fig.
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2 - PLANNING Fig. 2.37 SRAL XD equipment: single terminal 1+1 H/S configuration (one antenna) USER CHANNEL CH1 16x2 Cable CABLE INT. INT. INT. V-BUS USER E1 Ports E1 Tributary CHANNEL INT. Q Filtering ETH LAN Port CONTROLLER INT. V VLAN tagging 10/100 baseT cross-...
2 - PLANNING 2.1.8.5 Licence fee The actually available configurations depend on the enabled licence fee. The individual licence fee configuration data of any system is stored and retrieved from a dedicated memory key to be inserted in the IDU. "Payload Type", "System Type"...
2 - PLANNING 2.2 TECHNICAL CHARACTERISTICS The values reported in this User manual are the nominal values and cannot be used as technical specifications. The guaranteed values are those reported in document “Technical Product Description” issued by the MW BPM BLM. 2.2.1 General characteristics –...
2 - PLANNING 2.2.2 ODU ND characteristics 2.2.2.1 Transmitter The following characteristics refer to points set down in Fig. 2.39. Unless otherwise stated, the RF parameters have to be understood having been measured at point C' and valid for the temperature range defined in par. 2.2.9. Fig.
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2 - PLANNING – External spurious emission: ≤ -50 dBm (RBW=1MHz) • 30 MHz - 21.2 GHz ≤ -30 dBm (RBW=1MHz) • 21.2 GHz - 60 GHz ≥ 16 dB – Return loss Fig. 2.40 Mask of the RF signal for 7 GHz to 38 GHz ODU ND according to the traffic capacity SPECTRAL POWER...
2 - PLANNING 2.2.3 ODU ND2 characteristics 2.2.3.1 Transmitter The following characteristics refer to points set down in Fig. 2.42. Unless otherwise stated, the RF parameters have to be understood having been measured at point C' and valid for the temperature range defined in par. 2.2.9. Fig.
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2 - PLANNING – External spurious emission: ≤ -50 dBm (RBW=1MHz) • 30 MHz - 21.2 GHz ≤ -30 dBm (RBW=1MHz) • 21.2 GHz - 60 GHz ≥ 16 dB – Return loss Fig. 2.43 Mask of the RF signal for 7 GHz to 38 GHz ODU ND according to the traffic capacity SPECTRAL POWER...
2 - PLANNING Tab. 2.6 RF signal attenuation limit values (23 and 38 GHz - ND2) Channel Traffic spacing capacity (MHz) (MHz) (MHz) (MHz) (MHz) (dB) (dB) (MHz) 2xE1 8.75 4xE1 17.5 8xE1 11.2 16xE1/1xE3 2.2.3.2 Receiver The following characteristics refer to the points set down in Fig. 2.44. Unless otherwise stated, the RF parameters have to be understood as measures at point C and valid for the temperature range defined in par.
2 - PLANNING 2.2.4 ODU HD/HP characteristics 2.2.4.1 Transmitter The following characteristics refer to points set down in Fig. 2.45. Unless otherwise stated, the RF parameters have to be understood having been measured at point C' and valid for the temperature range defined in par. 2.2.9. Fig.
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2 - PLANNING – Output signal spectral power density: – 2×2 Mbit/s (2xE1) – 4×2 Mbit/s (4xE1) – 8×2 Mbit/s (8xE1) see mask of Fig. 2.46 - HP mode – 16x2 Mbits (16xE1) see mask of Fig. 2.47 - HD mode –...
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2 - PLANNING Fig. 2.47 Mask of the RF signal for 7, 8, 13, 15 and 18 GHz ODU (HD mode) or 23, 26 and 28 GHz ODU (HD mode) or 32 and 38 GHz ODU (HD mode) according to the traffic capacity SPECTRAL POWER...
2 - PLANNING 2.2.4.2 Receiver The following characteristics refer to the points set down in Fig. 2.48. Unless otherwise stated, the RF parameters have to be understood as measures at point C and valid for the temperature range defined in par. 2.2.9. Fig.
2 - PLANNING 2.2.5 ODU HDe characteristics 2.2.5.1 Transmitter The following characteristics refer to points set down in Fig. 2.49. Unless otherwise stated, the RF parameters have to be understood having been measured at point C' and valid for the temperature range defined in par. 2.2.9. Fig.
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2 - PLANNING – Output signal spectral power density: – 4×2 Mbit/s (4xE1) – 8×2 Mbit/s (8xE1) see mask of Fig. 2.50 - ND mode – 16x2 Mbits (16xE1) see mask of Fig. 2.51 - HD mode – 1x34 Mbits (1xE3) –...
2 - PLANNING Fig. 2.51 Mask of the RF signal for 7, 8, 13, 15 and 18 GHz ODU (HD mode) or 23, 26 and 28 GHz ODU (HD mode) or 32 and 38 GHz ODU (HD mode) according to the traffic capacity SPECTRAL POWER...
2 - PLANNING 2.2.5.2 Receiver The following characteristics refer to the points set down in Fig. 2.52. Unless otherwise stated, the RF parameters have to be understood as measures at point C and valid for the temperature range defined in par. 2.2.9. Fig.
2 - PLANNING 2.2.6.7 Characteristics of Ethernet ports interface – Standard IEEE 802.3 (10Base-T) and 802.3u (100Base-Tx) – Port 10Base-T or 100Base-Tx, available on one connector RJ-45 – Duplex half / full duplex 2.2.6.8 Characteristics of channel auxiliary interfaces LCT channel –...
2 - PLANNING Electrical alarms interface – Input/Output lines OPEN/CLOSED criteria – Input lines: -3V to +2V voltage to ground with ≥ 60 kohm • OPEN criterion series -3V to +2V voltage to ground with ≤ 200 ohm • CLOSED criterion series –...
2 - PLANNING 2.2.8 Mechanical characteristics The IDU can be arranged for the installation, by means of two different supporting brackets, in standard ETSI or 19" racks. The max. IDU overall dimensions are: – height 44 mm (standard 19") – width 533 mm –...
2 - PLANNING 2.2.10 EMC/EMI characteristics The equipment is compliant to EMI/EMC parameters according to the above listed standards and to ETSI standards EN 301 489-1 e EN 301 489-4. – Electrostatic discharge according to IEC 61000-4-2, criterion 1 Level 2 (± 4kV contact), level 3 (± 8kV air ), –...
2 - PLANNING 2.3 EQUIPMENT COMPOSITION This document lists and shows the "main parts" the SRAL XD equipment consists of. "Main parts" are those autonomous units, from a structural viewpoint, which form part of the SRAL XD equipment assemblies and are extractable from the assemblies themselves.
2 - PLANNING 2.3.1.1 Preservation of the cross-connection matrix This functionality simplifies the configuration of the NE when changing from one system type to another. In the following table the behavior of the cross-connection matrix in case of system type change (keeping the same access unit) from type A to type B and viceversa is shown: System type “A”...
2 - PLANNING 2.3.2 SRAL XD equipment composition (7 GHz P/N 832-041/07) In Tab. 2.20, Tab. 2.21, Tab. 2.22 and Tab. 2.23 is set down the composition of the SRAL XD equipment (7.1 to 7.9 GHz) for the different provided configurations. Tab.
2 - PLANNING 2.3.3 SRAL XD equipment composition (8 GHz P/N 832-041/08) In Tab. 2.24, Tab. 2.25, Tab. 2.26 and Tab. 2.27 is set down the composition of the SRAL XD equipment (7.7 to 8.2 GHz) for the different provided configurations. Tab.
2 - PLANNING 2.3.4 SRAL XD equipment composition (13 GHz P/N 832-041/13) In Tab. 2.32, Tab. 2.33, Tab. 2.34, Tab. 2.35 and Tab. 2.36 is set down the composition of the SRAL XD 13 equipment (12.75 to 13.25 GHz) for the different provided configurations.
2 - PLANNING 2.3.5 SRAL XD equipment composition (15 GHz P/N 832-041/15) In Tab. 2.32, Tab. 2.33, Tab. 2.34, Tab. 2.35 and Tab. 2.36 is set down the composition of the SRAL XD 15 equipment (14.40 to 15.35 GHz) for the different provided configurations.
2 - PLANNING 2.3.6 SRAL XD equipment composition (18 GHz P/N 832-041/18) In Tab. 2.37, Tab. 2.38, Tab. 2.39, Tab. 2.40 and Tab. 2.41 is set down the composition of the SRAL XD 18 equipment (17.7 to 19.7 GHz) for the different provided configurations.
2 - PLANNING 2.3.7 SRAL XD equipment composition (23 GHz P/N 832-041/23) In Tab. 2.42, Tab. 2.43, Tab. 2.44, Tab. 2.45 and Tab. 2.46 is set down the composition of the SRAL XD 23 equipment (21.2 to 23.6 GHz) for the different provided configurations.
2 - PLANNING 2.3.8 SRAL XD equipment composition (26 GHz P/N 832-041/23) In Tab. 2.47, Tab. 2.48, Tab. 2.49, Tab. 2.50 and Tab. 2.51 is set down the composition of the SRAL XD 26 equipment (24.5 to 26.5 GHz) for the different provided configurations.
2 - PLANNING 2.3.9 SRAL XD equipment composition (28 GHz P/N 832-041/28) In Tab. 2.52, Tab. 2.53, Tab. 2.54, Tab. 2.55 and Tab. 2.56 is set down the composition of the SRAL XD 28 equipment (37.5 to 39.5 GHz) for the different provided configurations.
2 - PLANNING 2.3.10 SRAL XD equipment composition (32 GHz P/N 832-041/32) In Tab. 2.57, Tab. 2.58, Tab. 2.59, Tab. 2.60 and Tab. 2.61 is set down the composition of the SRAL XD/32 equipment (31.8 to 33.4 GHz) for the different provided configurations.
2 - PLANNING 2.3.11 SRAL XD equipment composition (38 GHz P/N 832-041/38) In Tab. 2.62, Tab. 2.63, Tab. 2.64, Tab. 2.65 and Tab. 2.66 is set down the composition of the SRAL XD/38 equipment (37.5 to 39.5 GHz) for the different provided configurations.
2 - PLANNING Fig. 2.59 1+0 system with 1 independent antenna (Terminal) 16xE1/32xE1 / ETH IDU s s s s PS PS SRAL XD SRAL XD SRAL XD SRAL XD Q-LAN Q-LAN Q-LAN Q-LAN V-LAN V-LAN V-LAN V-LAN 1xE3 IDU External EOW Tx Tx R x R x...
2 - PLANNING 2.3.13 Supporting frame 2.3.13.1 1+0 supporting frame The 1+0 supporting frame consists of a mechanical structure, and relevant waveguide accessories, suitable for pole or wall mounting of the Outdoor Unit in 1+0 configuration. From an electrical point of view the frame is a passive device (i.e. waveguide section) that provides interconnection between its two ports with negligible inssrtion loss.
2 - PLANNING 2.3.13.2 1+1 Supporting frame for frequency diversity The 1+1 supporting frame from frequency diversity consists of a mechanical structure, and relevant waveguide accessories, suitable for pole or wall mounting of the Outdoor Unit in 1+1 Frequency Diversity configuration. The two ODU parts are interconnected to the antenna port through a circulator.
2 - PLANNING 2.3.13.3 1+1 Supporting frame for Hot stand-by with integrated antenna The 1+1 supporting frame for Hot Stand-by consists of a mechanical structure, and relevant waveguide accessories, suitable for pole or wall mounting of the Outdoor Unit in 1+1 HSBY (Hot Stand-by) unbalanced or balanced configuration. From an electrical point of view the 1+1 frame is a balanced or unbalanced coupler.
2 - PLANNING 2.3.13.4 1+1 Supporting frame for Hot stand-by with independent antenna The 1+1 supporting frame for Hot Stand-by consists of a mechanical structure, and relevant waveguide accessories, suitable for pole or wall mounting of the Outdoor Unit in 1+1 HSBY (Hot Stand-by) unbalanced or balanced configuration. From an electrical point of view the 1+1 frame is a balanced or unbalanced coupler.
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2 - PLANNING Freq. Freq. Port A Port B Coupler Code Band Range Guide type Flange Flange type (GHz) (GHz) type type 534-121/03 21.2-23.6 unbal. WR42 R220 UBR220 UBR220 534-121/13 21.2-23.6 bal. WR42 R220 UBR220 UBR220 534-121/04 24.5-26.5 unbal. WR42 R220 UBR220 UBR220 534-121/14...
2 - PLANNING 2.3.14 IDU composition The plug-in IDU (P/N 732-101/61 for 16xE1/1xE3/ETH IDU; P/N 732-101/62 for 32xE1 IDU) consists of a wired sub-rack (P/N 628-586/26), where all the plug-in units are housed. The sub-rack is delivered with two types of brackets to allow to be secured to 19" or ETSI racks.
2 - PLANNING 2.3.14.3 IDU ETH The IDU subrack is available in 2 versions (Refer to Tab. 2.75 and Fig. 2.73): – 732-101/61L - 1+0 - ETH (4 x LAN + 8xE1 coax 75 ohm) – 732-101/61M - 1+1 - ETH (4 x LAN + 8xE1 coax 75 ohm) Tab.
2 - PLANNING 2.3.14.4 IDU 32xE1 32xE1 IDU is managed starting from the SWR 3.7 The IDU subrack is available in 2 versions (Refer to Tab. 2.76 and Fig. 2.73): – 732-101/62A - 1+0 - 32xE1 - 75/120 ohm (MiniRj21) –...
2 - PLANNING 2.3.14.5 Licence fees The “Licence key" (P/N 625-017/xxx or 625-018/xxx) includes a memory, called "Memory Key", configured with the Licence required by the Customer. The last digits of the P/N describe the configurations enabled on the equipment, according to the Tab.
2 - PLANNING 2.3.14.6 Upgrading kits for on-field upgrading of the licence types The "Upgrading kit" (P/N 625-018/10 xxxx) includes a "Program Hardware Key", equipped with Licence Credits. Tab. 2.78 lists the list of the available upgrading kit. Tab. 2.78 Upgrading kit P/Ns Upgrading type 625-018/10x100Q...
2 - PLANNING 2.3.16 ODU identification The ODU comprises a hermetic container, arranged for pole fixing, inside which RF modules (depending of the operating range), Modem and power supply modules (common in all RF range) are housed. Adjustment and composition of ODU RF units depend on the working RF frequency range.
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2 - PLANNING The ODU identification P/N comprises two field: the first one (11 characters) is the equipment P/N, the second one (3 characters) is the customizing encoding, concerning the RF frequency (operating frequency band within the whole RF range). In Tab.
2 - PLANNING Fig. 2.76 7, 8, 15, 18, 23, 26, 28 and 38 GHz ODU HD/HP: Diplexer position according to the mounting type (A or B) MOUNTING “A” DIPLEXER POSITION MOUNTING “B” DIPLEXER POSITION SRAL XD (plug-in IDU) - UMN 2-176 911-380/02C0000 - Issue 13, January 2008...
2 - PLANNING Fig. 2.77 7,8,13,15,18, 23,26,28,32 and 38 GHz ODU HDe: Diplexer position according to the mounting type (A or B) MOUNTING “A” DIPLEXER POSITION MOUNTING “B” DIPLEXER POSITION SRAL XD (plug-in IDU) - UMN 2-195 911-380/02C0000 - Issue 13, January 2008...
2 - PLANNING Fig. 2.78 7, 8, 13, 15, 18, 23, 26, 28 and 38 GHz ODU ND: Diplexer position according to the mounting type (A or B) MOUNTING “A” DIPLEXER POSITION MOUNTING “B” DIPLEXER POSITION (*) These two diplexers are adjusted in the same sub-band, but are installed inside the ODU in two different mounting position (standard and reverse).
2 - PLANNING Fig. 2.79 15, 18, 23 and 38 GHz ODU ND2: Diplexer position according to the mounting type (A or B) MOUNTING “A” DIPLEXER POSITION MOUNTING “B” DIPLEXER POSITION SRAL XD (plug-in IDU) - UMN 2-231 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION INSTALLATION 3.1 GENERAL In this document all the operations are described, required for the mechanical installation of SRAL XD equipments. During the installation, while lifting the antenna and/or the outdoor pole supporting frame, it is strictly forbidden to stand or transit in the area below; the area has to be suitably delimited or signaled according to regulations in force.
3 - INSTALLATION 3.2.1.3 1+0 vertical frame - Wall mounting Fig. 3.3 1+0 vertical frame - Wall mounting Insert 1+0 Frame The inserts are not delivered with the frame, if this fixing is required they have to be separately provided. SRAL XD (plug-in IDU) - UMN 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.2.2.2 1+1 vertical frame - Wall mounting Fig. 3.7 1+1 vertical frame - Wall mounting Insert 1+1 Frame The inserts are not delivered with the frame, if this fixing is required they have to be separately provided. SRAL XD (plug-in IDU) - UMN 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.2.3 1+1 support frame dimensions with independent antenna (ODU 7 GHz to 38 GHz) Fig. 3.9 1+1 support frame dimensions with independent antenna Pole with diam. 75 to 115 mm (St.By) 1+1 Frame Main SRAL XD (plug-in IDU) - UMN 3-11 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.2.3.1 1+1 support frame with independent antenna (7 GHz to 38 GHz ODU) - Pole mounting Fig. 3.10 1+1 support frame with independent antenna (7 to 38 GHz ODU) - Pole mounting Pole with diam. 75 to 115 mm 1+1 Frame SRAL XD (plug-in IDU) - UMN 3-12...
3 - INSTALLATION 3.2.4 1+1 support frame dimensions with integrated antenna (7 GHz to 38 GHz ODU) Fig. 3.13 1+1 support frame dimensions with integrated antenna UP MAIN Pole with diam. 75 to 115 mm STBY ODU safety hook 1+1 Supporting frame SRAL XD (plug-in IDU) - UMN 3-15 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.3.3 Pole overall size Fig. 3.17 Pole overall size 1+1 7÷13 Ghz System 1+0 7÷38 Ghz System 1+1 7÷38 Ghz System ∅ ∅ ∅ up to 80 cm antenna up to 80 cm antenna up to 80 cm antenna 1+1 7÷38 Ghz System 1+1 7÷13 Ghz System 1+0 7÷38 Ghz System...
3 - INSTALLATION 3.5.2 ODU dimensions 3.5.2.1 ODU Normal Density (ND) and High Density Enhanced (HDe) dimensions Fig. 3.21 ODU Normal Density (ND) and High Density enhanced (HDe) dimensions Grounding screw BOTTOM VIEW 2 8 1 SIDE VIEW FRONT VIEW 1 2 3 Rx field measure...
3 - INSTALLATION 3.5.2.3 ODU Normal Density 2 (ND2) dimensions Fig. 3.23 ODU Normal Density 2 (ND2) dimensions BOTTOM VIEW For feeder flange RF SIDE VIEW IN/OUT cable connector FRONT VIEW Handle For feeder flange IN/OUT cable Grounding connector point Rx field measure connector Weight of the OUTDOOR assembly = 5 kg...
3 - INSTALLATION 3.5.6 “Rx field measure” connector Fig. 3.30 “Rx field measure” connector Rx field measure connector BNC socket (*) This “Rx field measure” connector is the test point for the connection of a voltmeter during the antenna alignment procedure. SRAL XD (plug-in IDU) - UMN 3-41 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.6.5.1 Recommended clamp spacing for Braided coaxial cable Clamp spacing recommendation is based on the guidelines stated in EIA Standard RS-222 (Structural Standards for Steel Antenna Towers and Antenna Supporting Structures) and BSI CP3 (Code of Basic Data for the Design of Buildings, Wind Loading).
3 - INSTALLATION 3.7.6.1 Recommended clamp spacing for 1/4” coaxial cable Clamp spacing recommendation is based on the guidelines stated in EIA Standard RS-222 (Structural Standards for Steel Antenna Towers and Antenna Supporting Structures) and BSI CP3 (Code of Basic Data for the Design of Buildings, Wind Loading).
3 - INSTALLATION 3.7.9 Characteristics Tab. 3.34 Construction characteristics RFS-Kabel ANDREW metal Inner Conductor Diameter (mm) Dielectric Diameter (mm) Outer Conductor Diameter (mm) Standard Jacket Diameter (mm) 10.0 Tab. 3.35 Mechanical characteristics RFS-Kabel ANDREW metal Weight (kg/m) 0.09 0.13 Min. Bending Radius single bend (mm) Min.
3 - INSTALLATION 3.8 IDU INSTALLATION The IDU can be arranged for installation both on ETSI and 19" racks, by means of two different types of brackets. Before starting with the installation, IDU sub-rack has to be arranged for the rack type (ETSI or 19") and then the identification plate has to be applied to the left bracket.
3 - INSTALLATION 3.8.2 IDU sub-rack arrangement for ETSI rack – In the sub-rack front part (3), install on the side panels, the two brackets (1) for ETSI rack, by means of the relevant two fixing screws (2). Fig. 3.43 IDU sub-rack arrangement for ETSI rack Flat head screw 3x6...
3 - INSTALLATION 3.8.3 IDU sub-rack arrangement for 19” rack – In the sub-rack front part (3), install on the side panels, the two brackets (1) for ETSI rack, by means of the relevant two fixing screws (2). Fig. 3.44 IDU sub-rack arrangement for 19”...
3 - INSTALLATION 3.8.4 IDU installation – Insert the IDU (1) in the relevant housing of the rack. – Screw down the four screws (2) fixing the IDU (1). – Fix the support of the coaxial cables (3) to the frame, screwing the two relevant fixing screws (4).
3 - INSTALLATION 3.8.4.1 IDU grounding connections IDU grounding connections Fig. 3.46 TO THE STATION GROUNDING SYSTEM Grounding cable YE-GR PVC 1x25 mm Grounding cable (**) (6 mm L = 400) IDU subrack (314-303/56) Grounding bar M4x8 cylindrical head screw (***) = This cable is included in the 19”...
3 - INSTALLATION 3.9 INSTALLATION OF IDU OPTIONAL UNITS The 16xE1 / 32xE1 or 1x E3 Base Band optional unit can be installed in the IDU during the first installation phase (if not already present) or afterwards. For the installation of an optional unit, act as follows: –...
3 - INSTALLATION 3.10 EXTERNAL CONNECTIONS All the connectors used for the external connections are easily accessible from the front side of the indoor assembly. All the cables from/to the outside are brought down from the cabinet top inside the side wall slots or, in the case the wiring is running under the raised floor, they are made to ascend likewise.
3 - INSTALLATION Fig. 3.47 Primary Power Supply Connections INDOOR ASSEMBLY Female connector (422-060/16) Female contact (422-027/31) CRIMPING SIDE VIEW Nominal voltage Metal shell A1 = Positive -48 Vdc + 20% (422-030/82) A3 = Negative (-38.4 to 57.6 Vdc) 2x1.5 mm bipolar shielded cable for power supply MAXIMUM POWER CONSUMPTION...
3 - INSTALLATION 3.10.1.2 Connector functions Fig. 3.49 to Fig. 3.63 and Tab. 3.41 to Tab. 3.42 show the positions and functions of the connectors. Fig. 3.48 ODU connections (connector coax. type SMA) ODU 1 ODU 2 SRAL XD (plug-in IDU) - UMN 3-72 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION Fig. 3.54 Alarm connections INDOOR ASSEMBLY V - B U S ALMs ALIM OFF TEST MINOR OR WARNING 15 C male CRITICAL SUB-D connector (422-062/86) MAJOR CEN-OUT2 CEN-OUT1 CEN-OUT4 CEN-OUT3 CEN-IN2 CEN-IN1 CEN-IN4 CEN-IN3 Metal shell (422-030/92) 8-pair double shield cable (*) Materials included in the alarm accessories kit P/N 332-055/49A.
3 - INSTALLATION Tab. 3.41 Alarm meaning Alarm Description ALIM OFF No power supply alarm TEST Abnormal condition (i.e. Tributary loop active) IDU alarm MINOR OR “Minor” or “Warning” alarm WARNING CRITICAL “Critical” alarm ODU alarm MAJOR “Major” alarm CEN-OUT2 Station alarm output #2 (from remote station) CEN-OUT1 Station alarm output #1 (from remote station)
3 - INSTALLATION Fig. 3.57 (CH1 and CH2) 64 kbit/s (V11) service channel connnection USER (a) (b) CO-DIRECTIONAL CONTRA-DIRECTIONAL CLOCK (a) CLOCK (a)(b) DATA Tx Wire a DATA Tx Wire b DATA Rx Wire a DATA Rx Wire b CLOCK Rx Wire a CLOCK Rx Wire b CLOCK Tx Wire a CLOCK Tx Wire b...
3 - INSTALLATION Fig. 3.59 Connection example (Q LAN - V LAN) EXAMPLE A EXAMPLE B SRAL XD-1 SRAL XD-1 To LAN X SRAL XD-2 SRAL XD-2 To LAN Y SRAL XD-n SRAL XD-n To LAN Z To LAN LEGENDA: 10 = Q LAN; 11 = V LAN SRAL XD (plug-in IDU) - UMN 3-84...
3 - INSTALLATION Fig. 3.60 V-BUS Connection ( with Controller P/N 634.001/74) P/N 634-001/74 Controller unit INDOOR ASSEMBLY 2 M bi t / s I / O T R I B U T A R I E S 1 ÷8 2 M bi t / s I / O T R I B U T A R I E S 9÷1 6 O D U C A B LE S R A L X D...
3 - INSTALLATION Fig. 3.61 V-BUS Connection example CONTROLLER CONTROLLER L max = 300 m DOUBLE TERMINAL CONTROLLER CONTROLLER CONTROLLER L max = 300 m TRIPLE TERMINAL OR MORE For this interconnection cable see Fig. 3.62 For these 120 ohm termination connectors 120 Ohm see Fig. 3.62 SRAL XD (plug-in IDU) - UMN 3-86 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION Fig. 3.62 V-BUS interface connections accessories TERMINATION CONNECTOR TERMINATION CONNECTOR FEMALE MALE INTERCONNECTION CABLE MALE MALE FEMALE (*) These accessories are included in the daisy-chain kit: 597-524/09. SRAL XD (plug-in IDU) - UMN 3-87 911-380/02C0000 - Issue 13, January 2008...
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3 - INSTALLATION Fig. 3.63 LCT connection (RS 232) INDOOR ASSEMBLY !*0
.$.$#%>8 !*0
.$.$#?@ +'# $'3 +. &0
(' &' '+. '* #$ -
#$ -
A +'# +. &0
'+. 9 C male SUB-D connector The LCT connector (F interface) can be used also to connect a SRAL XD to extend a SRAL network as shown in Fig.
3 - INSTALLATION Fig. 3.64 Example of the F interface used to extend a SRAL network V bus SRAL SRAL SRAL SRAL XD SRAL XD 16xE1 conf. 16xE1 conf. SRAL XD (plug-in IDU) - UMN 3-89 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.10.2 1xE3 IDU 3.10.2.1 Primary supply voltage connection The outdoor assembly (ODU) is remotely power supplied by the indoor IDU (P/N 732-101/61) by means of 1 coaxial connection cable (2 in the 1+1 configuration). The indoor assembly BB units are fed by DC/DC converters, which transform the delivered -48 V voltage.
3 - INSTALLATION Fig. 3.65 Primary Power Supply Connections INDOOR ASSEMBLY O D U C AB L E S R AL X D C A U T I O N 34M bi t / s 2M b i t / s V b a t te r y V - B U S Q - LA N...
3 - INSTALLATION 3.10.2.2 Connector functions Fig. 3.66 to Fig. 3.78 and Tab. 3.43 to Tab. 3.44 show the positions and functions of the connectors. Fig. 3.66 ODU connections (connector coax. type SMA) ODU 1 .- $- .- $- +'# $'3 27*0...
3 - INSTALLATION Tab. 3.43 Alarm meaning Alarm Description ALIM OFF No power supply alarm TEST Abnormal condition (i.e. Tributary loop active) IDU alarm MINOR OR “Minor” or “Warning” alarm WARNING CRITICAL “Critical” alarm ODU alarm MAJOR “Major” alarm CEN-OUT2 Station alarm output #2 (from remote station) CEN-OUT1 Station alarm output #1 (from remote station)
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3 - INSTALLATION Fig. 3.70 64 kbit/s (V.11) service channel connnection: USER/Dext (USER 1) INDOOR ASSEMBLY ODU CABLE SRAL XD C A U T I O N 34 Mb/ s 2 Mb/ s WST Vbattery Q-LAN V-LAN V-BUS ALMs USER/Dext USER/Dext ODU CABLE C A U T I O N...
3 - INSTALLATION Fig. 3.71 64 kbit/s (V.11) service channel connnection: USER/Dext (USER 2) INDOOR ASSEMBLY ODU CABLE SRAL XD C A U T I O N 34 Mb/ s 2 Mb/ s WST Vbattery V-BUS Q-LAN V-LAN USER/Dext USER/Dext ALMs ODU CABLE C A U T I O N...
3 - INSTALLATION Fig. 3.72 (CH1 and CH2) 64 kbit/s (V11) service channel connnection USER (a) (b) CO-DIRECTIONAL CONTRA-DIRECTIONAL CLOCK (a) CLOCK (a)(b) DATA Tx Wire a DATA Tx Wire b DATA Rx Wire a DATA Rx Wire b CLOCK Rx Wire a CLOCK Rx Wire b CLOCK Tx Wire a CLOCK Tx Wire b...
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3 - INSTALLATION Fig. 3.73 Supervision connections (Q LAN - V LAN) INDOOR ASSEMBLY + + + +'# 4 ' $'3 +. &0
(' &' V - B U S '+. . * +...
3 - INSTALLATION Fig. 3.75 V-BUS Connection INDOOR ASSEMBLY O D U C A B L E S R A L X D C A U T I O N V b a t t e r y V - B U S Q - L A N V - L A N L C T...
3 - INSTALLATION Fig. 3.76 V-BUS Connection example CONTROLLER CONTROLLER L max = 300 m DOUBLE TERMINAL CONTROLLER CONTROLLER CONTROLLER L max = 300 m TRIPLE TERMINAL OR MORE For these 120 ohm termination connectors 120 Ohm see Fig. 3.77 For this interconnection cable see Fig.
3 - INSTALLATION Fig. 3.77 V-BUS interface connections accessories TERMINATION CONNECTOR TERMINATION CONNECTOR FEMALE MALE INTERCONNECTION CABLE MALE MALE FEMALE (*) These accessories are included in the daisy-chain kit: 597-524/09. SRAL XD (plug-in IDU) - UMN 3-103 911-380/02C0000 - Issue 13, January 2008...
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3 - INSTALLATION Fig. 3.78 LCT connection (RS 232) INDOOR ASSEMBLY O D U C A B L E SRAL XD C A U T I O N 34 M b /s 2 M b /s W S T Vbattery Q - L A N V - L A N V - B U S...
3 - INSTALLATION Fig. 3.79 Example of the F interface used to extend a SRAL network V bus SRAL SRAL SRAL SRAL XD SRAL XD 1xE3 conf. 16xE1 conf. SRAL XD (plug-in IDU) - UMN 3-105 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.10.3 ETH IDU 3.10.3.1 Primary supply voltage connection The outdoor assembly (ODU) is remotely power supplied by the indoor IDU (P/N 732-101/61) by means of 1 coaxial connection cable (2 in the 1+1 configuration). The indoor assembly BB units are fed by DC/DC converters, which transform the delivered -48 V voltage.
3 - INSTALLATION Fig. 3.80 Primary Power Supply Connections INDOOR ASSEMBLY Female connector (422-060/16) Female contact (422-027/31) CRIMPING SIDE VIEW Metal shell (422-030/82) Nominal voltage A1 = Positive -48 Vdc + 20% A3 = Negative (-38.4 to 57.6 Vdc) 2x1.5 mm bipolar shielded cable for power supply MAXIMUM POWER CONSUMPTION...
3 - INSTALLATION 3.10.3.2 Connector functions Fig. 3.81 to Fig. 3.95 and Tab. 3.45 to Tab. 3.46 show the positions and functions of the connectors. Fig. 3.81 ODU connections (connector coax. type SMA) ODU 1 ODU 2 SRAL XD (plug-in IDU) - UMN 3-108 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION Fig. 3.83 2 Mbit/s 120 ohm (Sub-D) from 1 to 8 Tributary Connections INDOOR ASSEMBLY 2 Mbit/s I/O Tributaries 1-8 Tributary cable (a)(b) 8xE1 120 ohm (L=5/10/20/30 m) (314-331/79..82) (a) = This prewiring cable is a standard solution; on request is possible to order the single materials and to make the cable in field.
3 - INSTALLATION Fig. 3.84 10/100 BaseT Ethernet Lan Ports (RJ45) INDOOR ASSEMBLY 4Pair Shielded Cable (a)(b) (106-041/76) RJ45 Shielded connector (422-053/63) (a) These materials are supplied with the installation materials (b) The length of this cable is 185m Max for 10 BaseT or 140m Max for 100 BaseT. SRAL XD (plug-in IDU) - UMN 3-111 911-380/02C0000 - Issue 13, January 2008...
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3 - INSTALLATION Fig. 3.85 Alarm connections INDOOR ASSEMBLY '* '*)) .#. *$ 5$E 15 C male +$.+' SUB-D connector (422-062/86) *6$ +#.! +#.% +#.7 +#.2 +#! +#% +#7 +#2 Metal shell (422-030/92) 8-pair double shield cable (*) Materials included in the alarm accessories kit P/N 332-055/49A. SRAL XD (plug-in IDU) - UMN 3-112 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION Tab. 3.45 Alarm meaning Alarm Description ALIM OFF No power supply alarm TEST Abnormal condition (i.e. Tributary loop active) IDU alarm MINOR OR “Minor” or “Warning” alarm WARNING CRITICAL “Critical” alarm ODU alarm MAJOR “Major” alarm CEN-OUT2 Station alarm output #2 (from remote station) CEN-OUT1 Station alarm output #1 (from remote station)
3 - INSTALLATION Fig. 3.86 64 kbit/s (V.11) service channel connnection: USER/Dext (USER 1) INDOOR ASSEMBLY USER/Dext CONFIGURATION USER 1 9 C male USER/Dext SRA L Comp. SUB-D connector (422-062/60) Dext USER/Dext SRA L Comp. Dext Metal shell (422-030/91) 8-pair double shield cable (*) These accessories are included in the installation kit P/N 332-055/29A.
3 - INSTALLATION Fig. 3.88 (CH1 and CH2) 64 kbit/s (V11) service channel connnection USER (a) (b) CONTRA-DIRECTIONAL CO-DIRECTIONAL CLOCK (a) CLOCK (a)(b) DATA Tx Wire a DATA Tx Wire b DATA Rx Wire a DATA Rx Wire b CLOCK Rx Wire a CLOCK Rx Wire b CLOCK Tx Wire a CLOCK Tx Wire b...
3 - INSTALLATION Fig. 3.89 Supervision connections (Q LAN - V LAN) INDOOR ASSEMBLY Q - LAN V-LAN Q L AN VLAN (10/100 BASE T) (10 BASE T) DATA Tx Wire DATA Tx Wire DATA Rx Wire NOT USED NOT USED DATA Rx Wire a NOT USED NOT USED...
3 - INSTALLATION Fig. 3.91 V-BUS Connection INDOOR ASSEMBLY V-BUS V - B U S ( 1 2 8 K b / s D A T A C h a n n e l ) V - D R X - a n o t u s e d V - D R X - b n o t u s e d...
3 - INSTALLATION Fig. 3.92 V-BUS Connection example CONTROLLER CONTROLLER L max = 300 m DOUBLE TERMINAL CONTROLLER CONTROLLER CONTROLLER L max = 300 m TRIPLE TERMINAL OR MORE For these 120 ohm termination connectors 120 Ohm see Fig. 3.93 For this interconnection cable see Fig.
3 - INSTALLATION Fig. 3.93 V-BUS interface connections accessories TERMINATION CONNECTOR TERMINATION CONNECTOR FEMALE MALE INTERCONNECTION CABLE MALE MALE FEMALE (*) These accessories are included in the daisy-chain kit: 597-524/09. SRAL XD (plug-in IDU) - UMN 3-120 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION Fig. 3.94 LCT connection (RS 232) INDOOR ASSEMBLY 9 C male SUB-D connector The LCT connector (F interface) can be used also to connect a SRAL XD to extend a SRAL network as shown in Fig. 3.95. Tab.
3 - INSTALLATION Fig. 3.95 Example of the F interface used to extend a SRAL network V bus SRAL SRAL SRAL SRAL XD SRAL XD ETH conf. 16xE1 conf. SRAL XD (plug-in IDU) - UMN 3-122 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION 3.10.4 32xE1 IDU 32xE1 IDU is managed starting from the SVR 3.7. 3.10.4.1 Primary supply voltage connection The outdoor assembly (ODU) is remotely power supplied by the indoor IDU (P/N 732-101/62) by means of 1 coaxial connection cable (2 in the 1+1 configuration). The indoor assembly BB units are fed by DC/DC converters, which transform the delivered -48 V voltage.
3 - INSTALLATION 3.10.4.2 Connector functions Fig. 3.98 to Fig. 3.95 and Tab. 3.47 to Tab. 3.48 show the positions and functions of the connectors. Fig. 3.97 ODU connections (connector coax. type SMA) ODU 1 INDOOR ASSEMBLY Interfaces TRIBUTARIES 9-16 17-24 25-32 ODU 2...
3 - INSTALLATION Fig. 3.100 Alarm connections INDOOR ASSEMBLY Interfaces TRIBUTARIES 9-16 17-24 25-32 ALMs ALIM OFF TEST MINOR O WARNING 15 C male CRITICAL SUB-D connector (422-062/86) MAJOR CEN-OUT2 CEN-OUT1 CEN-OUT4 CEN-OUT3 CEN-IN2 CEN-IN1 CEN-IN4 CEN-IN3 Metal shell (422-030/92) 8-pair double shield cable (*) Materials included in the alarm accessories kit P/N 332-055/49A.
3 - INSTALLATION Tab. 3.47 Alarm meaning Alarm Description ALIM OFF No power supply alarm TEST Abnormal condition (i.e. Tributary loop active) IDU alarm MINOR OR “Minor” or “Warning” alarm WARNING CRITICAL “Critical” alarm ODU alarm MAJOR “Major” alarm CEN-OUT2 Station alarm output #2 (from remote station) CEN-OUT1 Station alarm output #1 (from remote station)
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3 - INSTALLATION Fig. 3.101 64 kbit/s (V.11) service channel connnection: USER/Dext (USER 1) INDOOR ASSEMBLY 9-16 Interfaces TRIBUTARIES 17-24 25-32 USER/Dext CONFIGURATION USER 1 9 C male USER/Dext SRA L Comp. SUB-D connector (422-062/60) Dext USER/Dext SRA L Comp. Dext Metal shell (422-030/91)
3 - INSTALLATION Fig. 3.103 (CH1 and CH2) 64 kbit/s (V11) service channel connnection USER (a) (b) CO-DIRECTIONAL CONTRA-DIRECTIONAL CLOCK (a) CLOCK (a)(b) DATA Tx Wire a DATA Tx Wire b DATA Rx Wire a DATA Rx Wire b CLOCK Rx Wire a CLOCK Rx Wire b CLOCK Tx Wire a CLOCK Tx Wire b...
3 - INSTALLATION Fig. 3.104 Supervision connections (Q LAN - V LAN) INDOOR ASSEMBLY Interfaces TRIBUTARIES 9-16 17-24 25-32 Q-LAN V-LAN QLAN VLAN (10/100 BASE T) (10 BASE T) DATA Tx Wire DATA Tx Wire DATA Rx Wire NOT USED NOT USED DATA Rx Wire a NOT USED...
3 - INSTALLATION Fig. 3.106 V-BUS Connection INDOOR ASSEMBLY Interfaces TRIBUTARIES 9-16 17-24 25-32 V-BUS V - B U S ( 1 2 8 K b / s D A T A C h a n n e l ) V - D R X - a n o t u s e d V - D R X - b...
3 - INSTALLATION Fig. 3.107 V-BUS Connection example CONTROLLER CONTROLLER L max = 300 m DOUBLE TERMINAL CONTROLLER CONTROLLER CONTROLLER L max = 300 m TRIPLE TERMINAL OR MORE For these 120 ohm termination connectors 120 Ohm see Fig. 3.108 For this interconnection cable see Fig.
3 - INSTALLATION Fig. 3.108 V-BUS interface connections accessories TERMINATION CONNECTOR TERMINATION CONNECTOR FEMALE MALE INTERCONNECTION CABLE MALE MALE FEMALE (*) These accessories are included in the daisy-chain kit: 597-524/09. SRAL XD (plug-in IDU) - UMN 3-136 911-380/02C0000 - Issue 13, January 2008...
3 - INSTALLATION Fig. 3.109 LCT connection (RS 232) INDOOR ASSEMBLY Interfaces TRIBUTARIES 9-16 17-24 25-32 9 C male SUB-D connector The LCT connector (F interface) can be used also to connect a SRAL XD to extend a SRAL network as shown in Fig. 3.110. Tab.
3 - INSTALLATION Fig. 3.110 Example of the F interface used to extend a SRAL network V bus SRAL SRAL SRAL SRAL XD SRAL XD 32xE1 conf. 16xE1 conf. SRAL XD (plug-in IDU) - UMN 3-138 911-380/02C0000 - Issue 13, January 2008...
4 - ACTIVATION ACTIVATION 4.1 PRESETTINGS In this paragraph instructions are given to check and, if required, to carry out the presettings relevant to the system type where the equipment is utilized. There are two presetting types: – Hardware settings, performed through jumpers or connections –...
4 - ACTIVATION 4.2 ACTIVATION This paragraph includes the procedures for checkings that can be carried out during the installation while activating the equipment. Fig. 6.33 shows the connectors and the control elements, located on the equipment front panel. 4.2.1 Local checks All the units comprising the equipment are tested and adjusted at the factory in order to optimize the characteristics: usually, checks on these unit are not required while installed.
4 - ACTIVATION If a Memory Key other than that used during the first installation is inserted while the equipment is ON, the Controller compares the S/N and the type of license memorised (and that corresponds to the first installation Memory Key) with that of the Memory Key inserted.
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4 - ACTIVATION Fig. 4.1 IDU Memory Key position (16xE1 Tributary unit) CONTROLLER UNIT CONTROLLER UNIT P/N 634-001/73 P/N 634-001/74 S R A L X D S R A L X D V - B U S Q - L A N V - L A N Q - L A N V - L A N...
4 - ACTIVATION Fig. 4.3 IDU Memory Key position (ETH Tributary unit) CONTROLLER UNIT IDU ASSEMBLY 16xE1 BASE BAND UNIT P/N 634-001/74 ETH TRIBUTARY UNIT 16xE1 BASE BAND UNIT Fig. 4.4 IDU Memory Key position (32xE1 Tributary unit) CONTROLLER UNIT IDU ASSEMBLY 32xE1 BASE BAND UNIT P/N 634-001/74...
4 - ACTIVATION Fig. 4.5 ODU connection for the measurement of the received field (Rx field) BNC connector for Rx field measure The V range is between -3.4 V and 1.2 V (typical values) for P values between -30 dBm and -75 dBm, according to a linear law with rate of about 0.5 V for 10 dB.
4 - ACTIVATION 4.2.4.2 Configuration of IP address On the first installation, the IDU has a default IP address (192.168.255.3) and then the user can access the NE, set the network IP address and build the map containing the IP saddress itself. For this purpose, refer to the guide to use of the management program, of the OMN manual.
4 - ACTIVATION 4.3 NORMAL OPERATING CONDITIONS AND ALARMS 4.3.1 Normal operating conditions Normal operating conditions of the equipment are indicated as follows: – Power Supply switch on the 16xE1, 32xE1, ETH or 1xE3 Tributary (“ON” = position “I”) – all red LEDs on the front panel of the units: OFF –...
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4 - ACTIVATION Fig. 4.7 LEDs status in the normal operating conditions of a 1+0/1+1 system (1xE3) IDU ASSEMBLY (1xE3) 1xE3 TRIBUTARY UNIT CONTROLLER UNIT 1xE3 BASE BAND UNIT .- $- +'# $'3 +. !*05. &0
& (' &' '+. #$ -
+'#...
4 - ACTIVATION Fig. 4.9 LEDs status in the normal operating conditions of a 1+0/1+1 system (32xE1) IDU ASSEMBLY (32xE1) 32xE1 TRIBUTARY UNIT CONTROLLER UNIT 32xE1 BASE BAND UNIT 17-24 25-32 GREEN “I” POSITION Tab. 6.3 (*) The status of these LEDs (which identify the active radio channel) depend on the System Type. In 1+0 configuration only LED CH A is ON (Green).
5 - MAINTENANCE MAINTENANCE 5.1 TROUBLESHOOTING AND RESTORING This paragraph instructs about troubleshooting to be carried out on the equipment. The malfunctions are pointed out by LEDs on the equipment, on the indoor assembly front panel (see Fig. 5.1 and Fig. 5.2 ). The indications function on the front panel is described in the par.
5 - MAINTENANCE Fig. 5.2 Ethernet tributary unit LAN Ports LEDs ETHERNET TRIBUTARY UNIT Lan Port Led see Tab. 6.3 (*) 5.1.2 Unit replacement procedures in 1+0 systems This paragraph contains the instruction to carry out the system parts fault replacement. Follow the instructions step by step, otherwise the SW configuration could be lost, and therefore the LCT is necessary for a new SW configuration setting.
5 - MAINTENANCE 5.1.2.3 Replacement of the IDU units 5.1.2.3.1 16xE1, 32xE1 or 1xE3 Base Band Unit Perform by LCT command “ODU Power Up Disabled”. Disconnect the power supply cable from the front panel of the unit. Remove the faulty unit. Insert the spare unit.
5 - MAINTENANCE 5.1.3 Unit replacement procedures in 1+1 systems This paragraph contains the instruction to carry out the system parts fault replacement. Follow the instructions step by step, otherwise the SW configuration could be lost, and therefore the LCT is necessary for a new SW configuration setting. Note: The IDU front panel LEDs give fault status general information;...
5 - MAINTENANCE 5.1.3.3 Replacement of the IDU units 5.1.3.3.1 16xE1, 32xE1 or 1xE3 Base Band Unit Force ON LINE the other BB and the hitless switch via LCT commands. Perform by LCT command "ODU Power Up Disabled" in the relevant ODU. Disconnect the power supply and IDU/ODU cables from the front panel of the unit.
5 - MAINTENANCE 5.1.4 Configuration change 5.1.4.1 Capacity change Change the capacity (Menù Equipment → System → System Capacity) on the ODU not ON LINE at the remote station. Change the capacity (Menù Equipment → System → System Capacity) on the ODU not ON LINE at the local station.
5 - MAINTENANCE 5.2 LIST OF SPARE PARTS The maintenance philosophy consists in the replacement of an outdoor assembly (ODU) or a unit of the IDU. Therefore all spares consist of outdoor assembly and units that have the same P/N of the failed ones. 5.2.1 IDU spare parts list Tab.
5 - MAINTENANCE 5.2.2 ODU spare parts list Each ODU has been adjusted in factory to a frequency of an RF channel. The list of the available ODUs is given in table from Tab. 5.5 to Tab. 5.22. Tab. 5.5 ODU “HD/HP”...
5 - MAINTENANCE 5.3 PROCEDURE FOR SPARE PARTS USE This paragraph illustrates the procedure to use when having to replace the faulty unit of the IDU and the faulty ODU. To simplify the description, the following procedures concern the disassembling of the parts to replace.
6 - FUNCTIONAL DESCRIPTION FUNCTIONAL DESCRIPTION 6.1 IDU ARCHITECTURE 6.1.1 IDU (16xE1) Fig. 6.1 reports the block diagram of the IDU. The basic version (1+0) of the IDU consists of: – a 16xE1 Tributary unit (75 Ohm unbal. or 120 Ohm bal.), that represents the physical access of the equipment for the 2 Mbit/s (E1) Tributary streams of the public network –...
6 - FUNCTIONAL DESCRIPTION The "Cross-connector" functional block consists of a matrix through which it is possible – connect several 2 Mbit/s streams (inputting the 16xE1 Tributary unit) to both of the 16xE1 Base Band units; – let several 2 Mbit/s streams transit from one 16xE1 Base Band card over to another.
6 - FUNCTIONAL DESCRIPTION 6.1.1.3 Controller unit The Controller unit implements a system controller, that is capable of managing all the system configurations. The main functions are: – collection of alarms and working parameters from the system units (IDU and ODU); transmission of this information to a local PC and to a network supervision system –...
6 - FUNCTIONAL DESCRIPTION 6.1.2 IDU (32xE1) Fig. 6.4 reports the block diagram of the IDU. The basic version (1+0) of the IDU consists of: – a 32xE1 Tributary unit (75 Ohm unbal. or 120 Ohm bal.), that represents the physical access of the equipment for the 2 Mbit/s (E1) Tributary streams of the public network –...
6 - FUNCTIONAL DESCRIPTION – A Stuffing/ destuffing mechanism is present for each tributary signal, in order to multiplex them into an aggregate signal. – Multiplexing of 32xE1 tributary signals (after the stuffing block) into an aggregate frame allows backplane connection. De-multiplexing of the same signals implemented in the opposite direction on the aggregate received from BaseBand boards.The overall functionalities associated to the access board are described in the following picture.
6 - FUNCTIONAL DESCRIPTION 6.1.2.2 BB (32xE1) Unit The unit carries out the following functions: – A part of "Baseband" management. BaseBand board multiplexes net payload, service channel (64 kbit/s channel) and a TMN channel in order to build up the digital radio frame (aggregate signal) to be transmitted through the radio link.
6 - FUNCTIONAL DESCRIPTION 6.1.2.2.1 32xE1 Ring System type support of full cross-connection matrix RING system type (supported only by 32xE1units) is characterized by two different radio directions and it employs two ODUs. Its function is to perform a path protection: the payload is transmitted towards the two opposite directions, but it is received from the best direction;...
6 - FUNCTIONAL DESCRIPTION 6.1.2.3 Controller unit The Controller unit implements a system controller, that is capable of managing all the system configurations. The main functions are: – collection of alarms and working parameters from the system units (IDU and ODU); transmission of this information to a local PC and to a network supervision system –...
6 - FUNCTIONAL DESCRIPTION 6.1.3 IDU (1xE3) Fig. 6.5 reports the block diagram of the IDU. The basic version (1+0) of the IDU consists of: – a 1xE3 Tributary unit (75 Ohm unbal.), that represents the physical access of the equipment for the 34 Mbit/s (E3) Tributary streams of the public network –...
6 - FUNCTIONAL DESCRIPTION 6.1.3.2 BB (1xE3) Unit The unit carries out the following functions: – regenerate the 34 Mbit/s input tributary signal in compliance with Rec. G.703 and HDB3 -> NRZ convert the associated code – generation of the aggregate frame into one 51.84 Mbit/s stream –...
6 - FUNCTIONAL DESCRIPTION Fig. 6.5 1xE3 IDU block diagram ALARM SERVICE INTERFACE CHANNELS UNIT BB 1 x E3 (*) 34 Mbit/s FROM/TO G.703 (E3) 1 x E3 BB 1 x E3 TRIBUTARY UNIT UNIT 2 Mbit/s (WST STATION BATTERY CONTROLLER UNIT INT.
6 - FUNCTIONAL DESCRIPTION 6.1.4 IDU (ETH) Fig. 6.6 reports the block diagram of the IDU. The basic version (1+0) of the IDU consists of: – a Data Interface Unit, that represents the physical access of the equipment for 4 LAN PORTS (10/100 BaseT) and 8x2 Mbit/s (E1) Tributary streams of the public network –...
6 - FUNCTIONAL DESCRIPTION 6.1.4.1 4xLAN (10/100BaseT) + 8x2 Mbit/s (8xE1) Tributary Unit (DATA INTERFACE UNIT) The Data Interface Unit (or Ethernet tributary unit) carries out the following functions: – up to 8 E1-ports (2 Mbit/s I/O signal). – up to 4 Ethernet 10/100 baseT Half/Full duplex. –...
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6 - FUNCTIONAL DESCRIPTION A) LAN ports and Trunk port LAN Port Configuration The following configurations are available for each one of the four LAN ports: • Enabling – to enable/disable a port (enabling a LAN port means setting it in forwarding mode);...
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6 - FUNCTIONAL DESCRIPTION B) Filtering, VLAN tagging and forwarding Filtering Source MAC addresses received from the different ports (Trunk and LAN) are stored, along with the corresponding port the frame was received from. This data-base, called MAC DB in the following, is used both for filtering and for selective forwarding purposes. Each frame containing a destination address written in the MAC DB is filtered (discarded) if the destination address is associated to the same port the frame entered the switch.
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6 - FUNCTIONAL DESCRIPTION Common Ethernet frames (without additional fields) have a length included in the range between 64 and 1518 octets. If a VLAN tag is present, maximum length rises to 1522 octets. Ethernet frames with a length up to 1536 bytes shall be supported on LAN ports. This allows to support some proprietary frames used by particular appliances.
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6 - FUNCTIONAL DESCRIPTION 3. VLAN bridging – selective VLAN forwarding Only frames containing a VLAN tag containing some VLAN ID values when entering the appliance are allowed to pass through it. User can configure up to 64 different VLAN identifiers and the corresponding LAN ports belonging to each VLAN;...
6 - FUNCTIONAL DESCRIPTION 6.1.4.2 BB (16xE1) Unit The unit carries out the following functions: – regenerate the 2 Mbit/s input tributary signals in compliance with Rec. G.703 and HDB3 -> NRZ convert the associated code – monitor the incoming 2 Mbit/s streams –...
6 - FUNCTIONAL DESCRIPTION 6.2 ODU ARCHITECTURE The functional block diagram of ODU is given in Fig. 6.9. Fig. 6.9 ODU’s functional block diagram Power supply BUS Control BUS Signal BUS Base-Band Intermediate Radio Power and cable MODEM Frequency Frequency CONTROLLER Supply Interface...
6 - FUNCTIONAL DESCRIPTION 6.2.2 Power Supply Section The Power Supply section is in charge of the following tasks: – ODU's interfacing to external power supply (from ODU-CABLE interface) – Equipment's internal power lines conditioning and power distribution to third level power supply sources.
6 - FUNCTIONAL DESCRIPTION 6.3 PROTECTION SYSTEM ARCHITECTURE The system protection in 1+1 configuration can be split in two functional blocks: – tributary section – service channels section 6.3.1 Tributary Protection The Fig. 6.10 shows the tributary protection's general block diagram. Fig.
6 - FUNCTIONAL DESCRIPTION – In case of 1+1 Frequency Diversity protection, the degradation of the 'active' radio channel is protected actuating the “hitless switch” which, in this case, can perform the “error free protection” if the degradation is caused by a selective fading not faster than 100 dB/sec.
6 - FUNCTIONAL DESCRIPTION 6.3.1.2 Tx tributary Protection Two different modes of Tx protection architecture, due to the equipment system type, are available: – 1+1 Frequency Diversity configuration – 1+1 Hot Standby configuration Note: The following symbols are used: – PRF: RF power value of the signal outgoing from antenna;...
6 - FUNCTIONAL DESCRIPTION 6.3.1.3 Protection Structures The various protection architectures are realized as shown in Fig. 6.14 (Tx section, Hot Standby configuration), Fig. 6.15 (Tx section, Frequency Diversity configuration) and Fig. 6.16 (Rx section). The figures also show the switching commands listed below: –...
6 - FUNCTIONAL DESCRIPTION 6.3.1.4 Hardware protection logic This logic, shown in Fig. 6.18 protects the system from hardware failures of IDUs and ODUs. The hardware protection logic allows the transmission to the antenna of the signal coming from the unit with no alarm (Tx side protection) and the transmission to public connectors of the tributary coming from the unit with no alarm (Rx side protection).
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6 - FUNCTIONAL DESCRIPTION When working automatically, the switching logic on IDU generates the switch command using the following signals: – A summarized Tx local failure alarm (local Tx HW ALM): this alarm is set for failures on the Tx Section of BB unit and ODU of the radio controlled by the local protection logic.
6 - FUNCTIONAL DESCRIPTION Fig. 6.18 Hardware protection logic architecture B B 1 Sense Slot rem HW ALM HOT-STBY-CMD RF SW CMD 1 loc HW ALM Switch L o gic remote HW FM Local HW FM loc HW SW CMD HW SW CMD 1 rem HW SW CMD HW SW CMD 2...
6 - FUNCTIONAL DESCRIPTION 6.3.1.5 Hitless protection logic This logic protects the system from link quality degradation. The hitless protection logic generates the HL SW CMD command in consequence of the alarms of the local radio channel and the remote radio channel that the hitless protection logic, on both the BB units, receives as inputs.
6 - FUNCTIONAL DESCRIPTION 6.3.2 Service channels management and protection The radio service channels are: – 64 kbit/s, V.11, synchronous co-directional or contra-directional channel, reserved for the user and available on a public connector of Accesses unit. – 64 kbit/s synchronous contra-directional embedded channel, reserved to transmit radio network supervision messages.
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6 - FUNCTIONAL DESCRIPTION Fig. 6.21 1+1 configuration of User channels U - DTX 1 U - CKTX - IN 1 Services Insert U - CKTX - OUT 1 HW SW CMD 1 U - DRX 1 Services U - CKRX 1 Drop USR CH1 HW SW CMD 1...
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6 - FUNCTIONAL DESCRIPTION Fig. 6.22 2x(1+0) configuration of User channels U-DTX 1 U-CKTX -IN 1 Services Insert U-CKTX -OUT 1 fixed U-DRX 1 Services U-CKRX 1 Drop USR CH1 fixed B B 1 (*)(**) CONTROLLER CONFIG U-DTX 2 USR CH2 Services U-CKTX -IN 2 Insert...
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6 - FUNCTIONAL DESCRIPTION Fig. 6.23 Repeater configuration of User channel U-DTX 1 U-CKTX -IN 1 Services Insert U-CKTX -OUT 1 fixed U-DRX 1 Services U-CKRX 1 Drop USR CH1 fixed B B 1 CONTROLLER CONFIG U-DTX 2 USR CH2 Services U-CKTX -IN 2 Insert...
6 - FUNCTIONAL DESCRIPTION 6.3.2.2 Radio Embedded Communication Channel (R) The R channels are managed throughout the Services Drop/Insert functional blocks of Base Band unit and they are directly connected to the Controller unit. In the 1+1 configuration, the status of HW SW CMD commands determine which of the two channels is active whereas the CONFIG signal, setting by local operator interface (PC), carries the active channel towards the SCC1 port of the Controller unit (see Fig.
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6 - FUNCTIONAL DESCRIPTION Fig. 6.25 2x(1+0) configuration of R channels Controller fixed Services D & CK RX Drop Serial DTX-1 Comm Services Contr CKTX -1 Insert CH 1 fixed B B 1 CONFIG fixed Services D & CK RX Drop Serial DTX-2...
6 - FUNCTIONAL DESCRIPTION 6.3.2.3 Tributary Embedded Communication Channel (D) The D channels are connected to Controller via Accesses unit. In the 1+1 configuration, the status of HW SW CMD commands determine which of the two channels is active whereas the CONFIG signal, setting by local operator interface (PC), carries the active channel towards the HDLC1 port of the Controller unit (see Fig.
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6 - FUNCTIONAL DESCRIPTION Fig. 6.27 2x(1+0) configuration of D channels fixed Services D & CK RX H.level Drop Data DTX-1 Link Services Control CKTX -1 Insert fixed B B 1 CONFIG Controller fixed Services D & CK RX H.level Drop Data DTX-2...
6 - FUNCTIONAL DESCRIPTION 6.4 DYNAMIC MODULATION In SVR 3.9, dynamic modulation is supported only by 16xE1 Access unit, 16xE1 Baseband unit, and by HD/HP ODU and HDe ODU. Dynamic modulation requires that both equipment of the same link are configured with dynamic modulation setting enabled.
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6 - FUNCTIONAL DESCRIPTION When dynamic modulation is enabled, two different working modes (WM in the following) are defined: – Enhanced mode: it corresponds to NE nominal configuration and it is used during normal propagation conditions, allowing to double system capacity to be transmitted compared to the other working mode.
6 - FUNCTIONAL DESCRIPTION 6.4.3 Signal quality measurement Signal degradation measurement is the main criteria to switch working mode, and it is achieved by S/N measurement, because it is more accurate compared to received power measurement. S/N parameter is measured every 20 ms and two consecutive samples under Threshold 1 value in a 40 ms decision window are necessary to cause the ODU to transmit a request to use Normal WM to IDU.
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6 - FUNCTIONAL DESCRIPTION An overview of the measurable S/N range is shown in Fig. 6.30, demonstrating that the whole hysteresis cycle is completely within the S/N floor that has been measured at 28 dB: Fig. 6.30 Measurable S/N range ∆...
6 - FUNCTIONAL DESCRIPTION 6.4.4 Maximum transmit power versus working mode To meet the Tx masks a different max. Tx power is assigned to each modulation scheme (each scheme has a Tx spectrum mask). The system configured with 4-QAM modulation type has the transmitted maximum power up to 5 dB higher (actual value depending on frequency band) than the corresponding Tx power with 16-TCM modulation type: this power difference in the following is named ∆...
6 - FUNCTIONAL DESCRIPTION 6.4.5 ATPC interaction In case of increasing path loss (rain attenuation), the ATPC increases the transmit power up to its maximum before Working Mode is switched to a more robust one. In case of decreasing path loss, the ATPC keeps the transmit power at its maximum until the Working Mode is switched to the most efficient one.
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6 - FUNCTIONAL DESCRIPTION 6.5 LED, MONITORING POINTS, CONNECTORS AND SWITCHES In this paragraph are reported the operations of all the control and command elements that are present on the front panels of the units making up the equipment. Fig. 6.33 and Fig. 6.36 illustrates the front panel of the indoor assembly showing the LEDs, the monitoring points, the connectors and the control elements.
6 - FUNCTIONAL DESCRIPTION Fig. 6.33 IDU front panel in (1+1 - 16xE1 ) configuration SRAL XD V - B U S Q - L A N V - L A N L C T COMPLESSO IDU !*0
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6 - FUNCTIONAL DESCRIPTION Fig. 6.35 IDU front panel in (1+1 - ETH ) configuration IDU ASSEMBLY 1 - Battery power supply switch 2 - Power supply connector Base Band Unit 1 3 - Power supply connector Base Band Unit 2 4 - IDU/ODU connections connector System 1 5 - IDU/ODU connections connector System 2 6 - 2 Mbit/s 75 ohm Sub-D connections connector (tributaries 1-8)
6 - FUNCTIONAL DESCRIPTION Fig. 6.36 IDU front panel in (1+1 - 32xE1) configuration IDU ASSEMBLY Interfaces TRIBUTARIES 9-16 17-24 25-32 1 - Battery power supply switch 2 - Power supply connector Base Band Unit 1 3 - Power supply connector Base Band Unit 2 4 - IDU/ODU connections connector System 1 5 - IDU/ODU connections connector System 2 6 - 2 Mbit/s 75/120 ohm MiniRJ21 connections connector (tributaries 1-8)
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6 - FUNCTIONAL DESCRIPTION Fig. 6.37 Base Band unit front panel IDU ASSEMBLY Base Band unit ODU CABLE CAUTION Vbattery ODU CABLE CAUTION Vbattery Base Band unit Fig. 6.38 Controller unit front panel Controller unit P/N 634-001/73 O D U C A B L E S R A L X D C A U T I O N V b a t t e r y...
6 - FUNCTIONAL DESCRIPTION Tab. 6.3 Summary of the front panel LEDs Unit Colour Meaning General ODU alarm: lights up when an Alarm alarm is present on the ODU. Yellow CABLE alarm: lights up when current drain is lower than expected. The causes might be due to the cable either breaking down or being disconnected, or to absence of ODU.
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6 - FUNCTIONAL DESCRIPTION Tab. 6.3 Summary of the front panel LEDs Unit Colour Meaning PS OK/∆' Green All the power sources of the equipment are OK (after the POWER switch has been switched "on"). The LED will be 'off' when at least one p.s.
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6 - FUNCTIONAL DESCRIPTION Fig. 6.39 1+1 FD: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX Services...
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6 - FUNCTIONAL DESCRIPTION Fig. 6.40 1+1 FD: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX Services...
6 - FUNCTIONAL DESCRIPTION Fig. 6.41 1+1 FD: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX Services...
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6 - FUNCTIONAL DESCRIPTION Fig. 6.42 1+1 FD: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX Services...
6 - FUNCTIONAL DESCRIPTION Fig. 6.43 1+1 Hot Standby: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX...
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6 - FUNCTIONAL DESCRIPTION Fig. 6.44 1+1 Hot Standby: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX...
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6 - FUNCTIONAL DESCRIPTION Fig. 6.45 1+1 Hot Standby: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX...
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6 - FUNCTIONAL DESCRIPTION Fig. 6.46 1+1 Hot Standby: position of the switches and CH A and CH B LEDs switching on CH A CH B BB #1 CH A CH B BB #2 Tx side ODU 1 BB# 1 EPS Tx Scrambler RF TX...
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